Blue Printed 700HP 800HP

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Fast_AT4

RWM +1
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Interesting that GM is allowing an "approved" company <SLP> with the encryption keys to tune.

Wonder if they can retro fit a 22 AT4 :)
 

Doubeleive

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@Doubeleive

Found your next car Wes! It's almost fast enough for you! LOL
The YENKO/SC® vehicle packages are not emission legal in California and can only be legally used while participating in sanctioned motorsports events.
I wonder how they got GM to allow them to modify, the vette's can't even be modified as far as I know
 

Rocket Man

Mark
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They’re only building 50 of each? Good luck getting one, and the price has got to be ridiculous.
 

ProfeZZor X

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If my Yukon was more pro-street and performance driven, I would strongly consider getting it if it was at a certain price point (for my budget). But, seeing as my Yukon AT4 is more for off-roading, and it's illegal in California,, my chances of getting one is slim to none.
 

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